Agglomerated Cork Insulation Board from Japan
A rigid board made from agglomerated cork particles bound with resin, used for thermal and acoustic insulation in walls and floors. It falls under HTS 4504.10.50.00 as it is an 'other' form of agglomerated cork sheet or plate, not specifically excluded by chapter notes. These boards are lightweight and compressible, ideal for construction applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Verify cork content exceeds 50% by volume per HTS definitions to avoid reclassification as composite materials
• Include mill test reports certifying agglomeration process and binding substance for customs valuation